NPIMap

Organization Active NPI

Connecticut Oncology Group, PC

  • Family Nurse Practitioner
  • Middletown, CT
National Provider Identifier
1376533588
Registry record updated Feb 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
Legal business name
CONNECTICUT ONCOLOGY GROUP, PC
Practice address
536 Saybrook Rd
Middletown, CT 06457-4712
Phone
(860) 358-2220
Fax
(860) 358-2222
NPI assigned
Oct 27, 2005
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Feb 27, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Susanna Hong, M.D.NPI 1790881803
Title
Authorized Official
Phone
(860) 358-2220

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RH0003X
Nurse PractitionerGroup: 193200000X MULTI-SPECIALTY GROUP 363L00000X
Family Nurse PractitionerGroup: 193200000X MULTI-SPECIALTY GROUP 363LF0000X Primary

Addresses

Primary practice location

536 Saybrook Rd
Middletown, CT 06457-4712

Mailing address

536 Saybrook Rd
Middletown, CT 06457-4783
Phone (860) 358-2220

Other practice location 1

250 Flat Rock Pl
Westbrook, CT 06498-3585
Phone (860) 661-9000

Other identifiers 1

IdentifierTypeStateIssuer
004394970MedicaidCT

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040608000023 CT Part B Supplier - Clinic/Group Practice 8426031949 Receives reassigned benefits from 12 practitioners
Practice locations: Middletown, CT; Westbrook, CT

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
07D0707295Connecticut Oncology Group, PC536 Saybrook Rd, Middletown, CT 06457Certificate of waiverOct 15, 2026

National Provider Directory

National Provider Directory

Locations

90 Main St
Ste 102
Centerbrook, CT 06409
Phone (860) 767-2101

536 Saybrook Rd
Ste 2
Middletown, CT 06457
Phone (860) 358-2220

Practitioners & affiliated clinicians

Practitioners 13

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

View all 13

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1130371200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772150400000",
    "number": "1376533588",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "536 SAYBROOK RD",
            "city": "MIDDLETOWN",
            "state": "CT",
            "postal_code": "064574783",
            "telephone_number": "860-358-2220",
            "fax_number": "860-358-2222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "536 SAYBROOK RD",
            "city": "MIDDLETOWN",
            "state": "CT",
            "postal_code": "064574712",
            "telephone_number": "860-358-2220",
            "fax_number": "860-358-2222"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "250 Flat Rock Pl",
            "address_purpose": "LOCATION",
            "city": "Westbrook",
            "state": "CT",
            "postal_code": "064983585",
            "country_code": "US",
            "telephone_number": "860-661-9000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "CONNECTICUT ONCOLOGY GROUP, PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-10-27",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-27",
        "status": "A",
        "authorized_official_last_name": "HONG",
        "authorized_official_first_name": "SUSANNA",
        "authorized_official_title_or_position": "AUTHORIZED OFFICIAL",
        "authorized_official_telephone_number": "860-358-2220",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner, Family",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "004394970",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Middletown, CT

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.